| Parameter | Type | Description | Example |
|---|---|---|---|
| object | The index key of the JSON type. | ||
| chn | boolean | Whether the field contains Chinese characters. | true |
| caseSensitive | boolean | Case sensitivity. | true |
| token | array | Delimiter. | |
| string | | | ||
| alias | string | Alias. | myAlias |
| type | string | The data type of the field. | text |
| doc_value | boolean | Whether to enable statistics. | true |